User's Manual

10) F_PANEL (Front Panel Header)

Connect the power switch, reset switch, and system status indicator on the chassis to this header according

to the pin assignments below. Note the positive and negative pins before connecting the cables.

System Status LED

S0 On

S3/S4/S5 Off

• PW (Power Switch):

Connects to the power switch on the chassis front panel. You may congure the way to turn off your

system using the power switch (refer to Chapter 2, "BIOS Setup," "Settings\Platform Power," for more

information).

• HD (Hard Drive Activity LED):

Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive

is reading or writing data.

• RES (Reset Switch):

Connects to the reset switch on the chassis front panel. Press the reset switch to restart the computer

if the computer freezes and fails to perform a normal restart.

• NC: No connection.

• PLED (Power LED):

Connects to the power status indicator on the chassis front panel. The LED

is on when the system is operating. The LED is off when the system is in S3/

S4 sleep state or powered off (S5).

The front panel design may differ by chassis. A front panel module mainly consists of power

switch, reset switch, power LED, hard drive activity LED and etc. When connecting your chassis

front panel module to this header, make sure the wire assignments and the pin assignments

are matched correctly.

9 10

PLED-

PW-

PLED+

PW+

HD-

RES+

HD+

RES-

Power Switch

Hard Drive

Activity LED

Reset Switch

Power LED

11) SPEAKER (Speaker Header)

The system reports system startup status by issuing a beep code. One single short beep will be heard if no

problem is detected at system startup. This header can also provide audio output in the operating system.

Pin No. Denition

1 SPK+

2 SPK-

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